JSFiddle - React, Tailwind, and code Playground

by zono

HTML

<span class="price_table_value">
            Pricetag:<br>
            <span style="color:white">239,--€ </span>
 </span>

JavaScript

var priceHolder = Array.prototype.slice.call(document.querySelectorAll(".price_table_value span"));
priceHolder.forEach(function(item) {
    var price = /([0-9]+[.0-9]?)/.test(item.innerHTML) ? parseFloat(RegExp.$1) : 0;
    console.log(price);
});